Practice - Direct Cell Counts
Practice Questions
Test your understanding with targeted questions
What is a counting chamber used for?
💡 Hint: Think about how you would visualize the cells.
What does the Coulter counter measure?
💡 Hint: Consider the principles of electricity and cells.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the main function of a counting chamber?
💡 Hint: Think about the size and structure of the chamber.
True or False: A Coulter counter can distinguish between viable and non-viable cells.
💡 Hint: Recall the characteristics of the Coulter counter.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A microbiologist needs to evaluate a culture that appears dense but is unsure about the viability of cells. What methods would you recommend to assess both total and viable cell counts?
💡 Hint: Consider the advantages of each method discussed.
If a Coulter counter shows a reading of 1 x 10^8 cells/mL but you suspect that it includes dead cells, how would you go about confirming the living population, and what are the implications?
💡 Hint: Think about how to differentiate between living and total cell counts.
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Reference links
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